package me.shurufa.fragments;

import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import butterknife.Bind;
import butterknife.ButterKnife;
import de.greenrobot.event.EventBus;
import me.shurufa.R;
import me.shurufa.net.BaseResponse;
import me.shurufa.utils.Global;
import me.shurufa.utils.LogUtils;
import me.shurufa.utils.Utils;
import me.shurufa.widget.animutils.AnimOnTouchListener;


public class BaseFragment extends Fragment {

    private static final String LOG_TAG = BaseFragment.class.getSimpleName();

    @Bind(R.id.tool_bar)
    @Nullable
    LinearLayout toolbar;

    @Bind(R.id.toolbar_title)
    @Nullable
    TextView titleTextView;

    @Bind(R.id.back)
    @Nullable
    View backInToolbar;

    View rootView;

    @Override
    public void onStart() {
        super.onStart();
    }

    public BaseFragment() {
        // Required empty public constructor
    }

    public void onEventMainThread(Intent intent) {

    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EventBus.getDefault().register(this);
    }

    @Override
    public void onDestroy() {
        EventBus.getDefault().unregister(this);
        super.onDestroy();

        // debug模式显示pop的Fragment的name
        LogUtils.i(LogUtils.tag, "Pop Fragment: " + this.getClass().getName());
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_base, container, false);
    }

    @Override
    public void onResume() {
        super.onResume();
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        rootView = view;
        ButterKnife.bind(this, view);
        if (getParentFragment() != null) {
            if (toolbar != null) {
                toolbar.setVisibility(View.GONE);
            }
        } else {
            /*if (getActivity() instanceof MainActivity) {
                if (backInToolbar != null) {
                    backInToolbar.setVisibility(View.INVISIBLE);
                }
            } else {*/
            if (backInToolbar != null) {
                backInToolbar.setVisibility(View.VISIBLE);
                backInToolbar.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        getActivity().finish();
                    }
                });
                backInToolbar.setOnTouchListener(new AnimOnTouchListener());
            }
        }
        //}
        initUI(view);
        // 加载缓存
        //loadFromCache();

        // debug模式显示push Fragment的name
        LogUtils.i(LogUtils.tag, "Push Fragment: " + this.getClass().getName());
    }

    protected void initUI(View view) {

    }

    protected String cacheKey() {
        return null;
    }

    /**
     * 通过UID+cacheKey获取缓存文件名
     *
     * @return
     */
    protected String getCacheName() {
        String cacheKey = cacheKey();
        if (TextUtils.isEmpty(cacheKey))
            return null;
        long uid = 0L;
        if (Global.currentUser != null)
            uid = Global.currentUser.id;
        return uid + "_" + cacheKey;
    }

    protected void loadFromCache() {
        String fileName = getCacheName();
        if (TextUtils.isEmpty(fileName)) {
            return;
        }
        File file = new File(Global.cacheJsonDir, fileName);
        FileInputStream fis = null;
        try {
            fis = new FileInputStream(file);
            BufferedInputStream bis = new BufferedInputStream(fis);
            String data = Utils.readStream(bis);
            LogUtils.kLog().d(data);
            BaseResponse resp = parseData(data);
            if (resp != null) {
                bindData(resp, false);
            }
        } catch (Exception e) {
            e.printStackTrace();
            LogUtils.d(LOG_TAG, e.getMessage() + e.getCause());
        } finally {
            Utils.closeQuietly(fis);
        }
    }


    /**
     * 解析Json方法需要重写
     *
     * @param data
     * @return
     */
    protected BaseResponse parseData(String data) {
        return null;
    }

    /**
     * 如果为最新的 且success==true(有data字符串)
     * 写入文件流
     *
     * @param response
     * @param isNew
     */
    protected void bindData(BaseResponse response, boolean isNew) {
        if (isNew && response.success) {
            String fileName = getCacheName();
            if (!TextUtils.isEmpty(fileName)) {
                File file = new File(Global.cacheJsonDir, fileName);
                FileOutputStream fos = null;
                BufferedOutputStream bos = null;
                try {
                    String data = Global.getGson().toJson(response);
                    byte[] bytes = data.getBytes();
                    fos = new FileOutputStream(file);
                    bos = new BufferedOutputStream(fos);
                    bos.write(bytes);
                    // notice
                    bos.flush();
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    Utils.closeQuietly(fos);
                    Utils.closeQuietly(bos);
                }
            }
        }
    }

    public void refresh() {
    }

}
